Plant Viruses Online   

Descriptions and Lists from the VIDE Database

Malvastrum mottle virus

Index

• Nomenclature
• Host range, transmission and symptoms
• Physical and biochemical properties
• Taxonomy and relationships
• Comments and References

Data collated by J.L. Dale, 1987.

Nomenclature

ICTV decimal code

79.0.P.DE.26

Host range and symptoms

Natural host range and symptoms

Symptoms persist.
• Malvastrum coromandelianum and Euphorbia peplus - leaf mottling.

Transmission

Virus transmitted by mechanical inoculation.

Geographical distribution

Spreads in Australia.

Experimental host range

Several (3-9) families susceptible.

Diagnostically susceptible host species and symptoms

• Chenopodium amaranticolor - necrotic local lesions, then systemic chlorotic spotting and malformation.
• C. quinoa - chlorotic local lesions; then systemic chlorosis and malformation.
• Nicotiana clevelandii - systemic chlorosis.
• Gomphrena globosa - faint necrotic local lesions; systemic mottling.

Maintenance and propagation hosts

Chenopodium amaranticolor.

Assay hosts (Local lesions or Whole plants)

Chenopodium amaranticolor (L), Gomphrena globosa (L).

Susceptible host species

• Chenopodium amaranticolor
• Chenopodium quinoa
• Euphorbia peplus
• Gomphrena globosa
• Malvastrum coromandelianum
• Nicotiana clevelandii

Insusceptible host species

• Datura stramonium
• Helianthus annuus
• Lycopersicon esculentum

Families containing susceptible hosts

• Amaranthaceae (1/1)
• Chenopodiaceae (2/2)
• Euphorbiaceae (1/1)
• Malvaceae (1/1)
• Solanaceae (1/3)

Families containing insusceptible hosts

• Compositae (1/1)
• Solanaceae (2/3)

Physical and biochemical properties

Particle morphology

Virions isometric; not enveloped; 28 nm in diameter; rounded in profile; without a conspicuous capsomere arrangement.

Biochemical properties

Total genome size 3.95 kb. Genome of three parts (1 minor and 2 major); largest (or only) genome part the largest 1.78 kb; the 2nd largest 1.7 kb; the 3rd largest 0.47 kb.

Taxonomy and relationships

(ungrouped)

Cite this publication as: Brunt, A.A., Crabtree, K., Dallwitz, M.J., Gibbs, A.J., Watson, L. and Zurcher, E.J. (eds.) (1996 onwards). `Plant Viruses Online: Descriptions and Lists from the VIDE Database. Version: 20^th August 1996.' URL http://biology.anu.edu.au/Groups/MES/vide/

Dallwitz (1980) and Dallwitz, Paine and Zurcher (1993) should also be cited.